反应详情

A solution of 40 g of 1,4-benzoquinone and 35 mL of 1,3-cyclohexadiene in 90 mL of benzene was stirred in a closed vessel for 3 days at rt. The reaction mixture was concentrated and the residue was crystallized in EtOH to obtain 57 g of the desired compound as mixture of stereoisomers as greenish solid.

1. concentrationThe reaction mixture was concentrated
2. customthe residue was crystallized in EtOH